Table 1.
Index | Treatment | Processing step | ||||||
---|---|---|---|---|---|---|---|---|
Raw material | End of salting | Ripening 6 days | Ripening 12 days | Storage 1 week | Storage 2 weeks | Storage 3 weeks | ||
Moisture (%) | I | 74.07 ± 0.04aA | 71.28 ± 0.79aA | 57.19 ± 1.88bB | 41.63 ± 1.15cA | 41.44 ± 1.66cA | 41.40 ± 3.89cA | 43.60 ± 0.36cA |
II | 74.09 ± 1.14aA | 73.05 ± 0.76aA | 58.79 ± 1.67bAB | 42.15 ± 3.73cA | 41.42 ± 0.56cA | 41.32 ± 0.02cA | 41.47 ± 1.25cA | |
III | 73.99 ± 1.44aA | 73.20 ± 0.56aA | 59.24 ± 1.96bAB | 43.03 ± 2.09cA | 43.31 ± 1.04cA | 43.75 ± 1.02cA | 42.31 ± 1.60cA | |
IV | 74.14 ± 0.37aA | 73.57 ± 0.13aA | 61.67 ± 2.88bA | 45.01 ± 0.18cA | 44.32 ± 2.70cA | 43.40 ± 0.78cA | 43.69 ± 1.02cA | |
pH | I | 5.73 ± 0.10cA | 5.89 ± 0.08bA | 6.18 ± 0.04aA | 6.23 ± 0.04aA | 6.21 ± 0.05aA | 6.18 ± 0.01aA | 6.14 ± 0.01aA |
II | 5.70 ± 0.15cA | 5.88 ± 0.12bA | 6.15 ± 0.04aA | 6.19 ± 0.07aA | 6.14 ± 0.09aAB | 6.11 ± 0.05aA | 6.09 ± 0.06aA | |
III | 5.69 ± 0.04cA | 5.87 ± 0.14bA | 6.14 ± 0.12aA | 6.17 ± 0.05aA | 6.13 ± 0.11aAB | 6.09 ± 0.07aA | 6.07 ± 0.08aA | |
IV | 5.69 ± 0.05dA | 5.85 ± 0.18cdA | 6.10 ± 0.07aA | 6.13 ± 0.07aA | 6.05 ± 0.02abB | 5.92 ± 0.11bcB | 5.80 ± 0.12cdB | |
TVBN (mg/kg) | I | 71.2 ± 7.8eA | 123.8 ± 1.6deA | 158.1 ± 10.3cdA | 190.9 ± 1.8cA | 273.5 ± 7.5bA | 317.7 ± 15.6abA | 352.4 ± 1.4aA |
II | 71.2 ± 0.7eA | 125.2 ± 3.0dA | 153.7 ± 5.7cdA | 190.0 ± 7.1cA | 260.3 ± 8.9bA | 288.7 ± 8.6bA | 344.7 ± 18.1aA | |
III | 71.5 ± 0.8gA | 123.9 ± 2.4fA | 152.8 ± 3.1eA | 186.4 ± 4.8dA | 258.5 ± 12.3cA | 282.6 ± 10.8bAB | 338.6 ± 1.7aA | |
IV | 71.8 ± 0.6gA | 123.3 ± 8.1fA | 150.8 ± 4.0eA | 179.3 ± 14.6dA | 225.0 ± 10.8cA | 248.5 ± 4.7bB | 293.1 ± 6.9aB |
Formulation I: control, 100 % NaCl; Formulation II: 80 % NaCl + 20 % KCl; Formulation III: 60 % NaCl + 40 % KCl; Formulation IV: 40 % NaCl + 60 % KCl
Data are presented as means of triplicates ± standard deviations
Values with no common superscript in the same row (a, b, c…) or in the same column (A, B, C…) are statistically different (p < 0.05)